<template>
  <div class="login">
    <el-form class="login-form" v-if="QRMode">
      <el-button @click="enableQR = !enableQR" size="small">返回</el-button>
      <h3 class="title">二维码登录</h3>
      <div class="demo-image__placeholder">
        <div class="block">
          <el-image :src="QRcodeSrc" />
        </div>
      </div>
    </el-form>
    <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form" v-else>
      <h3 class="title">{{ title }}</h3>
      <el-form-item prop="username">
        <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off" placeholder="账号">
          <template #prefix>
            <el-icon><User /></el-icon>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          size="large"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter="handleLogin"
        >
          <template #prefix>
            <el-icon><Lock /></el-icon>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item prop="code" v-if="enableCaptcha">
        <Icon-Edit />
        <el-input
          v-model="loginForm.code"
          size="large"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter="handleLogin"
        >
          <template #prefix>
            <el-icon><CircleCheck /></el-icon>
          </template>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode" class="login-code-img" />
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.remember" style="margin: 0px 0px 25px 0px">记住密码</el-checkbox>
      <el-form-item style="width: 100%">
        <el-button :loading="loading" size="large" type="primary" style="width: 100%" @click.prevent="handleLogin">
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
        <div style="float: right" v-show="enableRegister">
          <router-link class="link-type" :to="'/register'">立即注册</router-link>
        </div>
      </el-form-item>
    </el-form>
    
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © Kindear</span>
    </div>
  </div>
</template>
<!--ruoyi 经典登录页面-->
<script setup>
import { Lock, User, CircleCheck } from "@element-plus/icons-vue";
import useApp from "@/hooks";
const { $ } = useApp();

const emit = defineEmits(["login"]);
const props = defineProps({
  // 标题
  title: {
    type: String,
    default: "默认标题",
  },
  // 允许注册
  enableRegister: {
    type: Boolean,
    default: true,
  },
  // 允许验证码
  enableCaptcha: {
    type: Boolean,
    default: true,
  },
  loading:{
    type:Boolean,
    default:false
  },
  // 允许扫码登录
  QRMode:{
    type:Boolean,
    default:false
  }
});
//定义表单
const loginForm = ref({
  username: "",
  password: "",
  remember: false,
  code: "",
  uuid: "",
});
// 表单规则
const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }],
};
// 验证码图
const codeUrl = ref(null);
// 子组件引入function
const getCodeImg = inject('getCodeImg')
// 加载验证码
function getCode(){
  getCodeImg().then(res=>{
    codeUrl.value = res.img
    loginForm.value.uuid = res.uuid
  })
}
// 点击登录
function handleLogin() {
  if(loginForm.value.remember){
    $.setStorageSync('LOGIN_FORM',loginForm.value);
  }else{
    $.removeStorageSync('LOGIN_FORM');
  }
  emit("login", loginForm.value);
  // 刷新验证码
  getCode()
}
// 获取初始表单
function initForm(){
  $.getStorage('LOGIN_FORM').then(res=>{
    loginForm.value.username = res.username
    loginForm.value.password = res.password
    loginForm.value.remember = res.remember
  })

}
// 初始化
onMounted(()=>{
  // 允许验证码
  if(props.enableCaptcha){
    getCode();
  }
  initForm();
})

</script>
<style lang="scss" scoped>
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("@/assets/images/login-background.jpg");
  background-size: cover;
}
.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 40px;
    input {
      height: 40px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 40px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 40px;
  padding-left: 12px;
}
.demo-image__placeholder .block {
  padding: 5px 0;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
  vertical-align: top;
}
</style>
